Compaq Presario V5000 User Guide - Page 23

Specifications Operating environment The operating environment information in the following table may be helpful if you plan to use or transport the computer in extreme environments. Factor Metric U.S. Temperature Operating Nonoperating 10˚C to 35˚C -20˚C to 60˚C 50˚F to 95˚F -4˚F to 140˚F Relative humidity (noncondensing) Operating Nonoperating 10% to 90% 5% to 95% 10% to 90% 5% to 95% Maximum altitude (unpressurized) Operating (14.7 to 10.1 psia*) -15 m to 3,048 m -50 ft to 10,000 ft Nonoperating (14.7 to 4.4 psia*) -15 m to 12,192 m -50 ft to 40,000 ft *Pounds per square inch absolute (psia) is another unit of measurement for altitude. Rated input power The power information in this section may be helpful if you plan to travel internationally with the computer. The computer operates on DC power, which can be supplied by an AC or a DC power source. Although the computer can be powered from a stand-alone DC power source, it should be powered only with an AC adapter or a DC power cord supplied by or approved for an HP computer. The computer is capable of accepting DC power within the following specifications. Input Power Operating voltage Operating current Rating 18.5 V dc to 19.0 V dc 3.5 A or 4.74 A or 4.9 A This product is designed for IT power systems in Norway with phase-to-phase voltage not exceeding 240 V rms. ENWW Specifications 13